I am programing Lego Mindstorms NXT 2.0 color sensor in BricxCC.
I already have RGB data with the command ReadSensorColorRaw. I heard that it is easier to get the colour from HSL format. I've tried a ...

I want to program our Ev3 for FLL (class assignment), and I want to use an object oriented approach in a very procedural environment. Is there a programmatic way to execute another program inside the ...

The challenge is for a robot to go around the perimeter of a rectangular field and execute 90 degree turns when it gets within 4.5 inches of a wall. Simultaneously, if the bot encounters a red flag, ...

I have an issue that I am hoping someone might be able to resolve:
We're using Mindstorms in the classroom as part of a STEM program and have one NXT brick that wont execute programs correctly. The ...

I have built a robotic arm with the lego Mindstorms ev3. My goal is to control its motion via teleoperation, that is , to have a gyro sensor strapped onto my arm and have the robot mimick the up and ...

Is it possible to connect, in some way, two NXT bricks that has program functions running on both. For example, Brick one would tell brick two that it is okay to start a program. Are there any sensors ...

I wanted to create a system where an NXT block would be set into function at a certain time of day (maybe 5:00 and then 5:10 and so on). I would want the timing function to be embedded into the NXT ...

I was wondering if anybody has ever tried using the IRLink NXT sensor to make an automated train system and if so, what kind of setup did you have to make it all work?
I have been working on a train ...

TL;DR = Is there any obvious reason why a MyBlock, added twice in parallel to a program, will only run one of them?
In my EV3-G program, I have a MyBlock which uses the Proximity Heading to control ...

Does anybody have any recommendations for non-GUI programming of the EV3 unit?
I'm impressed by the LabVIEW software, but as a professional C# and VB.Net programmer (with C, C++ experience), I find ...

I'm planning to program my EV3 robot to do voice chat over VOIP using ev3dev and a Debian program. Is this possible? Are there microphones known to work with EV3, and has anyone had experience using ...

I have the retail EV3 kit and have created a function with in and out numeric parameters.
While using the [in] params seem quite straight forward, it seems that I can only set the [out] param once. ...

I am currently developing an EV3 robot that sorts colored technic beams. However, the brick will only run part of the program and then generate a strange error code on the brick's screen. The error ...

My aim is to make the robot communicate using protocol 802.15.4 through a USB dongle 802.15.4 over 6LoWPAN.
The robot has to be able to get information from TelosB.
I wonder whether this possibility ...

How do I fix this? I run the install program, restart my computer, go to the “Applications” folder and there is a folder named “LEGO MINDSTORMS NXT”. I open the folder and there are three “options”: a ...

I managed to establish a wifi connection with the Ev3 Brick via WinSCD and am programming the Ev3 with XamarinStudio/Mono Develop(http://xamarin.com/studio "XamarinStudio"). My problem is that "The ...

Any suggestions on how I can use my old RCX set on Mavericks? I have set up Xcode command line tools, and I am getting compiler errors while trying to download nqc through Macports. Even downloading ...

The bit where you program what the robot does using your computer. I'm making a project and I can't fit it all onto the screen, so if you can't do functions, is there any way to zoom out of the screen ...

New to EV3 so this should be simple. I would like my simple wheeled robot to go backwards. So I put two invert motor blocks, one for port B the other for port C followed by a move steering block. The ...

New to NXT software. What I'm trying to do is get my motor to go one of 5 distances, but I'm not sure how to choose between those actions. What I thought of was setting 5 variables to 5 sensors. The ...

The NXT brick has about 130K memory available for user programs.
With the newer firmware required for downloading EV3-G programs that memory has been reduced to 118K.
How much memory is used by the ...

I recently got back into NXT stuff (keep in mind I have a NXT 1.0). My screen was broken,but got that fixed. The software works,but I think the programming doesnt. I made it so If I push a button,the ...